Em Mon, Mar 01, 2010 at 06:48:07AM -1000, Zachary Amsden escreveu: > On 02/27/2010 07:25 AM, Ingo Molnar wrote: >> I'm not talking about moving it into a kernel _module_ - albeit that >> alone is a worthwile thing to do for any performance sensitive hw >> component. >> >> I was talking about the option of a clean, stripped down Qemu base >> hosted in the kernel proper, in linux/tools/kvm/ or so. If i were >> running a virtualization effort it would be the first place i'd >> consider to put my tooling into. > So ripping out a clean part interface like PCI bus infrastructure and > using it in the kernel, for example, does nothing except put that > infrastructure in two different places, because everything the kernel > does, userspace will have to do again anyway. So now you have twice as > much code involving the same idea and you have to keep the pieces in > sync and from trampling each other. > > The only parts that warrant such complexity and high risk for bugs are > performance critical things like the PIT and APIC. I guess there is some misunderstanding here, the tools/ directory that lives in the kernel _sources_, has no kernel source, its all userspace stuff. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
